Microchip Technology ATWILC100x RF Systems on a Chip

Microchip Technology ATWILC100x RF Systems on Chip (SoCs) are IEEE® 802.11b/g/n Radio/Baseband/MAC link controllers and Internet-of-Things (IoT) modules. These SoCs feature a fully integrated power amplifier, LNA, switch, very low power consumption, high performance, and power management. The ATWICL100x supports 2- and 3-wire Bluetooth® coexistence protocols and also provides multiple interfaces including UART, SPI, and SDIO. The ATWILC1000A/B is a single chip Radio/Baseband/MAC link controller optimized for low-power mobile applications. The WILC100 and ATWILC1001A SoCs are IoT modules that are specifically optimized for low power IoT applications.


  • IEEE 802.11 b/g/n 20MHz solution
  • Single spatial stream in 2.4GHz ISM band
  • Integrated PA and T/R switch
  • Superior sensitivity and range via advanced PHY signal processing
  • Advanced equalization and channel estimation
  • Advanced carrier and timing synchronization
  • Wi-Fi Direct® and Soft-AP support
  • Supports IEEE 802.11 WEP, WPA, and WPA2 security
  • Supports China WAPI security
  • Superior MAC throughput via hardware accelerated two-level A-MSDU/AMPDU frame aggregation and block acknowledgment
  • On-chip memory management engine to reduce host load
  • SPI, SDIO, UART, and I2C host interfaces
  • 2- or 3-wire Bluetooth® coexistence interface
  • -40°C to 85°C operating temperature range
  • Power save modes:
    • <1µA power down mode typical @ 3.3V I/O
    • On-chip low power sleep oscillator
    • Fast host wake-up from doze mode by a pin or host I/O transaction
  • ATWILC1000MR110x:
    • IoT module specifically optimized for low IoT applications
    • Small form factor (14.48 x 13.46 x 3.35mm)
Published: 2019-05-20 | Updated: 2022-03-11